Problemset - Codeforces

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Codeforces Round 977 (Div. 2)
2 days
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Problems

#	Name
501B	Misha and Changing Handles data structures, dsu, strings	1100	x16166
495A	Digital Counter implementation	1100	x8462
493A	Vasya and Football implementation	1300	x6108
492B	Vanya and Lanterns binary search, implementation, math, sortings	1200	x75325
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x48780
489A	SwapSort greedy, implementation, sortings	1200	x10046
488A	Giga Tower brute force	1100	x14252
486B	OR in Matrix greedy, hashing, implementation	1300	x17582
485B	Valuable Resources brute force, greedy	1300	x6527
483A	Counterexample brute force, implementation, math, number theory	1100	x23006
482A	Diverse Permutation constructive algorithms, greedy	1200	x9636
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x36498
478A	Initial Bet implementation	1100	x25626
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x30585
475A	Bayan Bus implementation	1100	x4764
474B	Worms binary search, implementation	1200	x48122
472B	Design Tutorial: Learn from Life	1300	x7416
471B	MUH and Important Things implementation, sortings	1300	x5945
471A	MUH and Sticks implementation	1100	x13417
469B	Chat Online implementation	1300	x12643
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x37539
466A	Cheap Travel implementation	1200	x63316
463B	Caisa and Pylons brute force, implementation, math	1100	x27194
463A	Caisa and Sugar brute force, implementation	1200	x9253
462B	Appleman and Card Game greedy	1300	x14435
461A	Appleman and Toastman greedy, sortings	1200	x15491
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x40237
459A	Pashmak and Garden implementation	1200	x32835
456B	Fedya and Maths math, number theory	1200	x16617
456A	Laptops sortings	1100	x48020
454B	Little Pony and Sort by Shift implementation	1200	x18156
451B	Sort the Array implementation, sortings	1300	x45248
450B	Jzzhu and Sequences implementation, math	1300	x26150
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x29621
439B	Devu, the Dumb Guy implementation, sortings	1200	x14310
437A	The Child and Homework implementation	1300	x8998
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x39384
433A	Kitahara Haruki's Gift brute force, implementation	1100	x16320
432B	Football Kit brute force, greedy, implementation	1200	x11661
431B	Shower Line brute force, implementation	1200	x10793
429A	Xor-tree dfs and similar, trees	1300	x10313
427B	Prison Transfer data structures, implementation	1100	x13947
426B	Sereja and Mirroring implementation	1300	x3795
424B	Megacity binary search, greedy, implementation, sortings	1200	x7514
416B	Art Union brute force, dp, implementation	1300	x8697
413B	Spyke Chatting implementation	1300	x1703
413A	Data Recovery implementation	1200	x2627
412C	Pattern implementation, strings	1200	x3922
408B	Garland implementation	1200	x9265
405B	Domino Effect	1100	x5770
402A	Nuts greedy, math	1100	x4601
401B	Sereja and Contests greedy, implementation, math	1200	x4432
400B	Inna and New Matrix of Candies brute force, implementation, schedules	1200	x7711
389B	Fox and Cross greedy, implementation	1100	x6906
387B	George and Round brute force, greedy, two pointers	1200	x12206
385B	Bear and Strings brute force, greedy, implementation, math, strings	1200	x9896
382A	Ksenia and Pan Scales greedy, implementation	1100	x12366
381B	Sereja and Stairs greedy, implementation, sortings	1100	x6746
379B	New Year Present constructive algorithms, implementation	1200	x7253
378B	Semifinals implementation, sortings	1300	x5221
376B	I.O.U. implementation	1300	x6377
371B	Fox Dividing Cheese math, number theory	1300	x11319
370B	Berland Bingo implementation	1300	x2519
370A	Rook, Bishop and King graphs, math, shortest paths	1100	x10229
368B	Sereja and Suffixes data structures, dp	1100	x41492
366B	Dima and To-do List brute force, implementation	1200	x6825
366A	Dima and Guards implementation	1100	x4518
365B	The Fibonacci Segment implementation	1100	x14460
365A	Good Number implementation	1100	x18563
363B	Fence brute force, dp	1100	x52877
362B	Petya and Staircases implementation, sortings	1100	x13815
361B	Levko and Permutation constructive algorithms, math, number theory	1200	x8034
355B	Vasya and Public Transport greedy, implementation	1100	x4499
355A	Vasya and Digital Root constructive algorithms, implementation	1100	x9413
353A	Domino implementation, math	1200	x18486
352B	Jeff and Periods implementation, sortings	1300	x16409
350A	TL brute force, greedy, implementation	1200	x16368
349A	Cinema Line greedy, implementation	1100	x29905
347B	Fixed Points brute force, implementation, math	1100	x9293
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8954
344B	Simple Molecules brute force, graphs, math	1200	x8840
342A	Xenia and Divisors greedy, implementation	1200	x12522
340A	The Wall math	1200	x7626
332A	Down the Hatch! implementation	1300	x3556
331C1	The Great Julya Calendar dp	1100	x6142
330B	Road Construction constructive algorithms, graphs	1300	x17010
327B	Hungry Sequence math	1200	x19665
327A	Flipping Game brute force, dp, implementation	1200	x41828
318B	Strings of Power implementation, strings, two pointers	1300	x7516
316A1	Special Task greedy	1100	x2662
315B	Sereja and Array implementation	1200	x6996
313B	Ilya and Queries dp, implementation	1100	x44136
312B	Archer math, probabilities	1300	x11500
312A	Whose sentence is it? implementation, strings	1100	x4974
311A	The Closest Pair constructive algorithms, implementation	1300	x4033
304B	Calendar brute force, implementation	1300	x2976
304A	Pythagorean Theorem II brute force, math	1200	x10572
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7910
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x8114
300A	Array brute force, constructive algorithms, implementation	1100	x22730